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CVE-2026-100523 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

Cotonti through 1.0.0 contains an open redirect vulnerability in message.php that base64-decodes the redirect parameter without domain validation. Unauthenticated attackers can craft malicious links with encoded external URLs to redirect users to arbitrary sites via meta refresh tags for phishing attacks.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:4.7 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

CNA: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/Cotonti/Cotonti	[email protected]	Vendor
https://github.com/Cotonti/Cotonti/blob/1.0.0/message.php	[email protected]	Source CodeVendor
https://github.com/Cotonti/Cotonti/blob/1.0.0/system/common.php	[email protected]	Source CodeVendor
https://github.com/Cotonti/Cotonti/issues/1907	[email protected]	BundleExploitIssue TrackingTechnical AnalysisVendor
https://github.com/Cotonti/Cotonti/pull/1908	[email protected]	Issue TrackingVendor
https://www.vulncheck.com/advisories/cotonti-through-1.0.0-open-redirect-via-message-php-redirect-parameter	[email protected]	Advisory

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-601	URL Redirection to Untrusted Site ('Open Redirect')	[email protected]

Affected Products

Product	Versions
Cotonti	<= 1.0.0 (semver)
CPE cpe:2.3:a:cotonti:cotonti_siena:::::::: Remediation No remediation found in references.

Change History

1 change record found show changes